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Post by woodentopp on Jan 3, 2012 11:50:50 GMT 1
Hi, First and foremost a Happy New year to one and all!!
I need to order some new jets from Norbo but need some help with sizes.
I have LC2 carbs on N2/F2 barrels (Don't ask, bike was bought with them on!) and a boost bottle. In addition I'm going to order a set of pipes from kenny later on in the year.
What sizes would be a good starting point (2 or 3) to order so I can adjust the jetting a bit later on.
Thanks in advance. ;D
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Post by midlifecrisisrd on Jan 3, 2012 12:11:06 GMT 1
I take it you are keeping the airbox, It is best with it but remove the snorkels in it to improve flow.
Standard is 240 but if going for kenny's pipes and snorkels out probably 250 or 260.
Steve
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Post by woodentopp on Jan 3, 2012 13:19:57 GMT 1
Hadn't thought about the snorkels, but will remove them.
Cheers
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Post by Bozzy on Oct 24, 2012 23:09:54 GMT 1
Hadn't thought about the snorkels, but will remove them. Cheers Woodentop - know this is an old post but did you do this? not thought about removing the snorkels and with Kennys pipes what jetting did you end up at? |
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Post by midlifecrisisrd on Oct 25, 2012 8:18:28 GMT 1
Hadn't thought about the snorkels, but will remove them. Cheers Woodentop - know this is an old post but did you do this? not thought about removing the snorkels and with Kennys pipes what jetting did you end up at? Get the snorkels out ;D May help with your issues but will certainly help air flow Steve |
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Post by woodentopp on Oct 26, 2012 6:32:30 GMT 1
I have removed the snorkel but am still working on the jetting. Have gone up to 270 jets but according to the last plug chop I did its still too lean (The carbs had 300 jets in them when I bought the bike). Snow has stopped play here in Norway, but I'm going to try 300 jets in the spring when I get the bike on the road next year.
I have a suspicion that the barrels may have been ported but am not sure.-
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Post by midlifecrisisrd on Oct 26, 2012 8:22:43 GMT 1
I have removed the snorkel but am still working on the jetting. Have gone up to 270 jets but according to the last plug chop I did its still too lean (The carbs had 300 jets in them when I bought the bike). Snow has stopped play here in Norway, but I'm going to try 300 jets in the spring when I get the bike on the road next year. I have a suspicion that the barrels may have been ported but am not sure.- If you are having to run jets that big with the airbox and filter then it would suggest some major porting. If you read ianbooms thread on his hybrid in the finished section I think he ended up on 290's so if tuned it may be a ballpark for you. Steve |
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Post by Bozzy on Oct 26, 2012 17:06:48 GMT 1
So based on what I can gain from above I know my motor has not been ported as I checked so just removing the snorkels and with Kennys pipes I am sure 270's is a good starting point for me.
It did say on another site post that I came across with a dyno graph advice was to go up 35 to 40 on mains based on the PV carb increase but I can't find the site at the moment.
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Post by woodentopp on Oct 27, 2012 8:09:19 GMT 1
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